During pregnancy, birth, and breastfeeding
It will be Josh who gets his target THR. His range is within 135 bpm—175 bpm while the actual heart rate was 165 bpm, deducting it with 20 bpm results to 145 bpm - falling to the 135 bpm—175 bpm THR range. Although doing the same method as Josh's results to 165 bpm for Dominique, it doesn't fall to his 150 bpm—183 bpm THR range.
Answer: The heart consists of four chambers, two atria (upper chambers) and two ventricles (lower chambers). There is a valve through which blood passes before leaving each chamber of the heart. The valves prevent the backward flow of blood.
Weight that's what I read in my health book
